/Engine/Source/Runtime/Core/Public/Misc/DataDrivenPlatformInfoRegistry.h
Get sorted platorm infos or names. PlatformType is used to choose between true platforms and platform groups (or other fake platforms)
static const [TArray](API\Runtime\Core\Containers\TArray)< [FName](API\Runtime\Core\UObject\FName) > GetSortedPlatformNames ( EPlatformInfoType PlatformType )